1 files changed, 4 insertions, 0 deletions
diff --git a/core/ambidefs.h b/core/ambidefs.h
index a72f7b78..22739359 100644
--- a/core/ambidefs.h
+++ b/core/ambidefs.h
@@ -97,6 +97,10 @@ struct AmbiScale {
         }};
         return ret;
     }
+
+    /* Retrieves per-order HF scaling factors for "upsampling" ambisonic data. */
+    static std::array<float,MaxAmbiOrder+1> GetHFOrderScales(const uint in_order,
+        const uint out_order) noexcept;
 };
 
 struct AmbiIndex {